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Error handling middleware is a function that processes errors in an Express application.
Error handling middleware is defined with four parameters: err, req, res, and next.
It is used to catch errors that occur during the execution of route handlers or other middleware functions.
It is typically defined at the end of the middleware chain with app.use() and has a signature like (err, req, res, next) => {...}.
Example: app.u...
I applied via LinkedIn and was interviewed before Dec 2020. There was 1 interview round.
C++ is an extension of C with object-oriented programming features.
C++ supports object-oriented programming while C does not.
C++ has classes and templates while C does not.
C++ has better support for function overloading and default arguments.
C++ has a standard library that includes many useful functions.
C++ allows for both procedural and object-oriented programming.
C++ is generally considered to be a more complex langu
I applied via Campus Placement and was interviewed in Nov 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Dec 2020. There were 3 interview rounds.
I applied via Company Website and was interviewed before May 2020. There was 1 interview round.
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